#include <stdio.h>
#include <stdlib.h>

typedef struct{
    int number;
    char name[25];
    int score;
    //void print();//error
    void (*p)();
} Student;

void print(){
    printf("hello\n");
}

void test0(){
    Student s1 = {100,"bob",200,print};
    s1.p();
    Student s2;
    /* s2.number = 200; */
}


int main(void){
    test0();
    return 0;
}
